"""
@File    : num_1.py
@Author  : sharan
@Time    : 2021/5/11 18:00
@Desc    :
"""

s = 'hello, world!'
n = 1233
m = 15.2

a, b, c, d = 123, 3.14, True, 4+3j
print(type(a), type(b), type(c), type(d))

print(isinstance(a, int))

# print(str(s))
# print(type(str(n)), type(m))